"Joe Biden showed Vladimir Putin, an unverbal active signal to rapidly revise his policy. He clearly stated that Ukraine and Poland have support from the West – with the main function of the US, that the free planet of Ukraine will not leave. The president of the United States demonstrated courage and loyalty to the Ukrainian ally. besides towards Poland. I repeat, Biden made us an offer, it is up to the government in Warsaw whether we accept it or not" - said Dr. hab. Paweł Kowal, erstwhile Deputy Head of the Ministry of abroad Affairs, co-author of the book: “It will be no longer peaceful. End of our belle epoque".